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Benchmark importing all standard library modules #338

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Benchmark importing all standard library modules #338

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Benchmark importing all standard library modules
hauntsaninja May 19, 2024
7ed61dc
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hauntsaninja May 20, 2024
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1 change: 1 addition & 0 deletions pyperformance/data-files/benchmarks/MANIFEST
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Original file line number Diff line number Diff line change
Expand Up @@ -81,6 +81,7 @@ sqlglot_parse <local:sqlglot>
sqlglot_transpile <local:sqlglot>
sqlglot_optimize <local:sqlglot>
sqlite_synth <local>
stdlib_startup <local>
sympy <local>
telco <local>
tomli_loads <local>
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10 changes: 10 additions & 0 deletions pyperformance/data-files/benchmarks/bm_stdlib_startup/pyproject.toml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,10 @@
[project]
name = "pyperformance_stdlib_startup"
requires-python = ">=3.10"
dependencies = []
urls = {repository = "https://github.com/python/pyperformance"}
dynamic = ["version"]

[tool.pyperformance]
name = "stdlib_startup"
tags = "startup"
Empty file added pyperformance/data-files/benchmarks/bm_stdlib_startup/requirements.txt
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29 changes: 29 additions & 0 deletions pyperformance/data-files/benchmarks/bm_stdlib_startup/run_benchmark.py
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Original file line number Diff line number Diff line change
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import os
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Suggested change
import os
"""
Measures the time it takes to import all of the modules in the stdlib.
This benchmark is expected to change as the stdlib changes, so is not
suitable for measuring compilation time.
"""
import os

import sys
import subprocess
import tempfile

import pyperf

if __name__ == "__main__":
runner = pyperf.Runner(values=10)

runner.metadata['description'] = "Performance of importing standard library modules"
args = runner.parse_args()

with tempfile.TemporaryDirectory() as tmp:
main = os.path.join(tmp, "main.py")
with open(main, "w") as f:
f.write("""
import importlib
import sys
for m in sys.stdlib_module_names:
if m in {"antigravity", "this"}:
continue
try:
importlib.import_module(m)
except ImportError:
pass
""")
command = [sys.executable, main]
runner.bench_command('stdlib_startup', command)
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